Human Smoke's Axe in UMK3
Ermac's Axe in MK: Armageddon
Krypt Concept Art from "MK:D". Which shows off different Axe and Mace designs.
Raiden showing Jax with a simple logging axe in the MKX comics.
Interrupted from wood cutting by Reiko
One of Sub Zero's Ice Axes from MK11
Masked Guard's Axe in MK: Armageddon
Jason Voorhees wielding an Axe as he stands before Liu Kang in his Arcade Ending